The riddle of the universe? Ambitious title? Exact (the English title is much less snoring: Distress) but it is true that nothing scares Greg Egan. Then no problem: YES Greg will reveal TdT (Theory of Everything) and you do NOT understand anything. Difficult to read (as usual) this novel stirred us neurons raises sails, whets the mouth and leaves a little to be desired ... but it's done for the reader! You do not even think of any that would reveal the ultimate truth for a few Euros!. Andrew Worth, journalist, travels to Anarchia, an artificial atoll, not subservient to the great powers of the worlds, to cover the conference of Violet Mosala, a South African physicist who claims (rightly) be reconciled classical Newtonian mechanics The theory of general relativity and quantum mechanics foot .... what! Note in the French translation excellent and very technical foreword by Gerard Klein, it will read as it clings to a lifeline towards the middle of the book, when we started to lose control.